Protocol Tools
Get told when a new site picks a Protocol tool.
Stackdar watches every launch we detect and sends you the ones that ship with anything in Protocol, your competitors' tools included, by email, Slack or webhook. On every plan, from £15 a month.
See how alerts workThe most-adopted protocol tool we track is HTTP/3 (2,948,371 sites). We've detected 22 protocol tools across 2,944,352 public sites.
Protocol tools we've detected
| Tool | 90‑day | Sites |
|---|---|---|
|
HTTP/3
site ↗
The third major version of HTTP, which runs over the QUIC transport for faster connection setup and better performance on unreliable networks.
|
2948371 | |
|
Tor Onion Service
Site declares an .onion mirror reachable through the Tor network via the Onion-Location response header.
|
124 | |
|
United States Semantic Standard
site ↗
Markup standard for US local news sites that declares structured publisher, locality and licensing metadata.
|
40 | |
I2P
site ↗
Anonymous peer to peer overlay network whose sites are addressed under the .i2p pseudo top level domain.
|
11 | |
njump
site ↗
Web gateway that renders Nostr notes and profiles as ordinary web pages for readers without a Nostr client.
|
7 | |
TDM Reservation Protocol
site ↗
W3C protocol letting a website declare whether its content may be used for text and data mining, including AI training.
|
7 | |
AT Protocol
site ↗
Open protocol for decentralised social publishing, using at:// URIs and DID identifiers to link a site to its author record.
|
6 | |
carbon.txt
site ↗
Open standard for publishing verifiable claims about the energy and carbon footprint of a website and its hosting.
|
6 | |
|
Agent2Agent Protocol
site ↗
Open standard for interoperable communication between independent AI agents, governed by the Linux Foundation.
|
5 | |
WebTorrent Tracker
site ↗
Public WebRTC tracker endpoints used by browser based BitTorrent clients to find peers.
|
5 |
Showing top 10 of 22 protocol tools by adoption. 12 more not shown.
The StackScope API serves every protocol tool and the launches using each, filterable and exportable, from £15 a month.
Launches using Protocol tools
| Launch | Launched | Score |
|---|---|---|
| Tensorpix | Oct 16, 2026 | 9.5 |
| Kapwing | Oct 16, 2026 | 8.6 |
| Notify | Oct 16, 2026 | 7.6 |
| Toolbit | Oct 16, 2026 | 9.5 |
| Next-brain | Oct 16, 2026 | 5.1 |
| Give to a Random Kid's Trump Account · Random Act of Giving | Oct 16, 2026 | 6.6 |
Often built with
Categories the protocol sites we track also commonly use: